Converting the note application

Let's use the web framework to implement the note application introduced in the previous chapter.

Naming the handler functions

The handler functions become methods of a new NoteApplication class. The HTTP method is derived from the prefix of the method name as follows:

HTTP method	Prefixes
GET	get, query, getter @property methods, and methods named index
POST	post, create, add, and no prefix
PUT	put, set, and setter @property methods
PATCH	patch and update
DELETE	delete, erase, and remove

Only the GET and POST methods are usually used in web applications, but you should know all the prefixes in order to avoid surprises. The prefix is stripped from the name to form the route.

You can use the @path and @method annotations to specify a different route and HTTP method. The following is an example:

@method(HTTPMethod.GET)
@path("logout")
void leave() { /* ... */ }

This overrides the default POST method with GET and changes the URL path from...